package com.xrui.hbaseview.io;

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;

public class FileHelper {

    //region Constructor
    private FileHelper() {
    }
    //endregion

    //region Public Methods
    public static void delete(File path, String... exclude) {
        List<String> excludedPaths = Arrays.asList(exclude);

        File[] files = path.listFiles();
        if (files != null) {
            for (File file : files) {
                if (!excludedPaths.contains(file.getName())) {
                    if (file.isDirectory()) {
                        delete(file);
                    }
                    file.delete();
                }
            }
        }
    }

    public static File findFile(File folder, Pattern regex) {
        File[] files = folder.listFiles();
        if (files != null) {
            for (File file : files) {
                if (regex.matcher(file.getName()).find()) {
                    return file;
                }
            }
        }
        return null;
    }

    public static void copy(File source, File target) throws IOException {
        FileUtils.copyFile(source, target);
    }
    //endregion
}
